Home / 3,426.99-4,718.43-2,921.96

Finding the Fourth Proportional to 3,426.99, 4,718.43 and 2,921.96

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Solution

The fourth proportional to 3,426.99, 4,718.43 and 2,921.96 is: 4,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.99 : 4,718.43 = 2,921.96 : x
  2. Step 2: Convert to fraction form
    3,426.99/4,718.43 = 2,921.96/x
  3. Step 3: Cross multiply
    3,426.99x = 4,718.43 × 2,921.96
  4. Step 4: Simplify right side
    3,426.99x = 13,787,040.13
  5. Step 5: Solve for x
    x = 13,787,040.13/3,426.99
  6. Step 6: Final answer
    x = 4,023.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.